.head{
    position: absolute;
    left:0;
    top:0;
    width: 100%;
    height: 32px;
}
.head ul{
    display: inline-block;
}
.head ul li{
    list-style-type: none;
    float: left;
    margin: 0 auto;
}
.head ul li a{
    color: #555;
    font-size: 14px;
    line-height: 32px;
    text-decoration: underline;
    padding-right: 5px;
}
.text{
    float: left;
    width: 528px;
    height: 40px;
    padding: 8px 5px;
    border: 1px solid #ccc;
    color:#333;
    font-size: 16px;
    line-height: 40px;
}
.btn{
    float: left;
    width:100px;
    background-color: #38f;
    border: none;
    color:white;
    font-size:16px;
    line-height: 38px;
    cursor: pointer;
}